Foam Insulation for High Altitude Balloons

In summary, for the high altitude balloon project, aerofoam is a recommended supplier for insulation materials for the instrument package. This pink colored and water resistant foam is commonly used and indicates that it will not cause electrostatic charge to build-up. However, for a more cost-effective option, low density styrofoam may also be used.
  • #1
rootLocus
4
0
Hi,

I was wondering if anyone here has any good suggestions for foam insulation for high altitude balloons. We're looking at temperatures as low as -60 deg. Any recommendations on supplier as well?
 
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  • #2
Insulation for the balloon or for the instrument package? Look up aerofoam. It comes in all varieties of prices and densities.
 
  • #3
The instrument package. I'm seeing this pink colored/water resistant foam for many of these projects, but none of them specify the materials.
 
  • #4
rootLocus said:
The instrument package. I'm seeing this pink colored/water resistant foam for many of these projects, but none of them specify the materials.

The pink dye is commonly used to indicate that a plastic will not cause electrostatic charge to be built-up from friction with air and solid materials. This is accomoplished by the addition of waxy materials to the plastic. The pink color is just a dye added to the compound from which the foam is made.

I suggested aerofoam as a high end material. It is a very lightweight material rivaling any other in insulating value per unit weight.

Commonly, it should be more cost effective to use low density styrofoam.
 
  • #5
http://www.aspenaerogels.com/markets/industrial.html
 
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Related to Foam Insulation for High Altitude Balloons

1. What is foam insulation for high altitude balloons?

Foam insulation for high altitude balloons is a type of insulation material that is used to protect the payload and equipment inside a high altitude balloon during flight. It helps to maintain a stable temperature inside the balloon, protecting sensitive equipment from extreme temperatures and fluctuations.

2. How does foam insulation work?

Foam insulation works by trapping air in small pockets within its structure. This trapped air acts as a barrier, preventing heat from escaping or entering the balloon. Additionally, some foam insulation materials have reflective surfaces that can reflect radiant heat, further enhancing their insulating properties.

3. What are the benefits of using foam insulation for high altitude balloons?

Foam insulation offers several benefits for high altitude balloons. It helps to maintain a stable temperature inside the balloon, protecting sensitive equipment from extreme temperatures. It also reduces the amount of weight carried by the balloon, allowing for a larger payload. Additionally, foam insulation is lightweight, affordable, and easy to work with.

4. What types of foam insulation are suitable for high altitude balloons?

There are several types of foam insulation that can be used for high altitude balloons, including polystyrene, polyurethane, and polyethylene foam. Each type has its own unique properties and can be chosen based on the specific needs of the balloon and its payload.

5. Are there any drawbacks to using foam insulation for high altitude balloons?

While foam insulation offers many benefits, there are some potential drawbacks to consider. Foam insulation can be bulky and may take up valuable space inside the balloon. It also adds weight to the balloon, which can affect its flight characteristics. Additionally, foam insulation may not be as effective in extreme temperatures and may require additional layers or insulation materials for optimal performance.

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